Changed UNIMPLEMENTED_MSG -> LOG_CRITICAL for missing services

Easier debugging for canary logs

src/core/hle/service/service.cpp

@@ -148,7 +148,7 @@ void ServiceFrameworkBase::ReportUnimplementedFunction(Kernel::HLERequestContext
     }
     buf.push_back('}');
 
-    UNIMPLEMENTED_MSG("Unknown / unimplemented {}", fmt::to_string(buf));
+    LOG_CRITICAL(Service, "Unknown / unimplemented {}", fmt::to_string(buf));
 }
 
 void ServiceFrameworkBase::InvokeRequest(Kernel::HLERequestContext& ctx) {